Table 1 A comparison of San Francisco songs and experimental stimuli for vocal deviation, trill rate, and bandwidth (range; mean ± SD).
From: Urban sparrows respond to a sexually selected trait with increased aggression in noise
Song Type | No. of songs | Vocal deviation | Trill rate (Hz) | Bandwidth (Hz) |
|---|---|---|---|---|
SF dialect | 780 | 5.3–37.4; 22.2 ± 5.2 | 6.1–13.3; 9.2 ± 1.2 | 1690.4–5735.4; 2753.2 ± 648.8 |
SF narrow bandwidth, fast trill stimuli | 17 | 12.2–33; 23.9 ± 4.2 | 9.3–12.5; 11.4 ± 0.9 | 1975.7–4699.8; 3194.1 ± 563.8 |
SF wide bandwidth, slow trill stimuli | 17 | 10.9–32.3; 22 ± 4.2 | 6.1–6.67; 6.3 ± 0.2 | 2768.7–5424.1; 4034.6 ± 515.8 |
SF wide bandwidth, fast trill stimuli | 17 | 6.4–26.6; 16.7 ± 4 | 9.3–12.5; 11.4 ± 0.9 | 2768.7–5424.1; 4034.6 ± 515.8 |
